Duolingo started through its website, Latin language courses. Although Latin is a dead language, these courses are definitely of interest to those seeking to become multilingual and to those involved in Latin history and literature.
For the uninitiated, Duolingo is a free language learning application that uses standardized lessons to help you learn the language of your choice. Duolingo offers classes in dozens of languages, including French, German, Spanish and Italian. Now also Latin.
Latin lessons is in English and to watch it requires you know English. Duolingo in Greekhas only English language courses. So if he is fluent in English then you can comfortably attend Latin lessons.
These lessons will teach you to speak Classical Latin. To create these courses Duolingo partnered with Paideia Institute, which is a non-profit organization dedicated to the teaching of the classical humanities. The result is a set of lessons that teaches you Latin in small pieces, allowing you to learn at your own pace.
Latin is considered a dead language, as it is no longer spoken by anyone. Nevertheless it is the mother tongue of today's Spanish, French and Italian. They have also influenced other languages, so learning them will help you better understand your mother tongue.